Excalibur (World2020-001) [Promo Cards]

[Mythic] (If you control two or more entities with [Mythic] that share a name, banish all but one of them.) Your J-ruler gains [+400/+400]. Rest: Produce two wills in any combination of W and/or U. Spend this will only to play God's Art abilities, (Strangers), or Sword Arts.